21332133032312 has 16 divisors (see below), whose sum is σ = 39998455875360. Its totient is φ = 10665878132224.

The previous prime is 21332133032299. The next prime is 21332133032317. The reversal of 21332133032312 is 21323033123312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332133032317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23066153 + ... + 23973144.

It is an arithmetic number, because the mean of its divisors is an integer number (2499903492210).

Almost surely, 2^{21332133032312} is an apocalyptic number.

It is an amenable number.

21332133032312 is a deficient number, since it is larger than the sum of its proper divisors (18666322843048).

21332133032312 is a wasteful number, since it uses less digits than its factorization.

21332133032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47095990 (or 47095986 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21332133032312 its reverse (21323033123312), we get a palindrome (42655166155624).

The spelling of 21332133032312 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred thirty-three million, thirty-two thousand, three hundred twelve".